Home / 554,904.77-765,769.02-385,237.31

Finding the Fourth Proportional to 554,904.77, 765,769.02 and 385,237.31

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Solution

The fourth proportional to 554,904.77, 765,769.02 and 385,237.31 is: 531,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,904.77 : 765,769.02 = 385,237.31 : x
  2. Step 2: Convert to fraction form
    554,904.77/765,769.02 = 385,237.31/x
  3. Step 3: Cross multiply
    554,904.77x = 765,769.02 × 385,237.31
  4. Step 4: Simplify right side
    554,904.77x = 295,002,797,346.14
  5. Step 5: Solve for x
    x = 295,002,797,346.14/554,904.77
  6. Step 6: Final answer
    x = 531,627.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.